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US 4,053,424 AGranted
Grease containing synergistic extreme pressure additives
AssigneeTexaco Inc.
InventorRichard L. Coleman
Life of this patent
Estimating the term…
Abstract
A grease compound of a base oil, a thickener, and minor synergistic amounts of the extreme pressure agent combination of zinc dialkyldithiophosphate, the reaction product of butyl acid phosphate and dodecyl aniline, and Bis(.beta.-chlorophenethyl) disulfide.
Claims3
A grease comprising
- a. a major amount of a lubricating oil,
- b. a thickener,
- c. the reaction product of butyl acid phosphate and dodecylaniline in an amount ranging from about 0.4 to 0.6 weight percent of the total mixture,
- d. Bis(.beta. -chlorophenethyl) disulfide present in an amount ranging from about 1.5 to 2.5 weight percent of the total mixture, and
- e. zinc dialkyldithiophosphate in an amount ranging from 1.5 to 2.5 weight percent of the total mixture.
2 more elements
A grease comprising
- a. a major amount of a paraffinic lubricating oil,
- b. a soap thickener,
- c. the reaction product of butyl acid phosphate and dodecylaniline in an amount ranging from about 0.4 to about 0.6 weight percent;
- d. Bis(.beta. -chlorophenethyl) disulfide in an amount ranging from about 1.5 to 2.5 weight percent;
- and
- e. zinc dialkyldithiophosphate in an amount ranging from about 1.5 to 2.5 weight percent of the total mixture.
3 more elements
A grease comprising
- a. a major amount of a lubricating oil,
- b. a thickener,
- c. about 0.5 weight percent based on the total mixture of the reaction product of butyl acid phosphate and dodecylaniline,
- d. about 2.0 weight percent based on the total mixture of zinc dialkyldithiophosphate,
- e. about 2.0 weight percent based on the total mixture of Bis (.beta.-chlorophenethyl) disulfide.
2 more elements
Dependencies are inferred from the claim text.